Table 1.

circRNAs expression profiles in osteosarcoma

Num	Method	Sample	Upregulated	Downregulated	Reference
1	Microarray RT‐PCR	Osteosarcoma cell lines and hFOB1.19	71 LncRNAs circRNA_103801	181 LncRNAs circRNA_104980	65
2	Microarray RT‐PCR	Osteosarcoma tissues and para‐cancerous tissues	32 LncRNAs circ_2137 circ_20403	127 LncRNAs circ_32279 circ_24831	73
3	Microarray RT‐PCR	Osteosarcoma tissues and para‐cancerous tissues	6 lncRNAs circ_001621	4 lncRNAs	74
4	Bioinformatics	Gene expression datasets	15 lncRNAs		75
5	Microarray RT‐PCR	Chemoresistant and chemosensitive osteosarcoma cell line	57 lncRNAs	23 lncRNAs X	76